Why risk is hard to measure
Regulators and financial institutions increasingly depend on statistical risk forecasting. This column argues that most risk modelling approaches are...
Why risk is so hard to measure
This paper analyzes the robustness of standard risk analysis techniques, with a special emphasis on the specifications in Basel III. We focus on the...
When Arm’s Length Is Too Far. Relationship Banking over the Credit Cycle
Using a novel way to identify relationship and transaction banks, we study how banks’ lending techniques affect credit constraints of small and medium...
Dynamic Equilibrium with Rare Events and Heterogeneous Epstein-Zin Investors
We consider a general equilibrium Lucas (1978) economy with one consumption good and two heterogeneous Epstein-Zin investors. The output is subject to...
News Shocks and Asset Prices
We study the importance of anticipated shocks (news) for understanding the comovement between macroeconomic quantities and asset prices. We find that...
Post-Crisis banking regulation: Evolution of economic thinking as it happened on Vox
This column introduces a new Vox eBook collecting some of the best Vox columns on financial regulations, starting with the fundamentals of financial...
Post-Crisis Banking Regulation: Evolution of economic thinking as it happened on Vox
This eBook collects some of the best Vox columns on financial regulations, starting with the fundamentals of financial regulations, moving on to bank...
Wolf Pack Activism
It is alleged that activist hedge funds congregate around a common target, with one acting as the "lead" activist and others as peripheral activists...
A Tug of War: Overnight Versus Intraday Expected Returns
We decompose the abnormal profits associated with well-known patterns in the cross-section of expected returns into their overnight and intraday...
The Dynamics of Financially Constrained Arbitrage
We develop a model of financially constrained arbitrage, and use it to study the dynamics of arbitrage capital, liquidity, and asset prices...
Europe’s proposed capital markets union: Disruption will drive investment and innovation
The proposed EU capital markets union aims to revitalise Europe’s economy by creating efficient funding channels between providers of loanable funds...
The Dynamics of Financially Constrained Arbitrage
We develop a model of financially constrained arbitrage, and use it to study the dynamics of arbitrage capital, liquidity, and asset prices...
Global Capital Markets, Housing Prices, and Partisan Fiscal Policies
In recent years, global imbalances have channeled the excess savings of surplus countries toward the real estate markets of deficit countries. By...
Information Asymmetries, Volatility, Liquidity and the Tobin Tax
Information asymmetries and trading costs, in a financial market model with dynamic information, generate a self-exciting equilibrium price process...
Multilateral surveillance: Ensuring a focus on key risks to global stability
The 2007/9 crisis and the ongoing transformation of the global economy call for a rethink of the scope of the Fund’s multilateral surveillance. This...
Signalling to Dispersed Shareholders and Corporate Control
The Review of Economic Studies, 82 (3), 922–962.